Home / 152,040,695.04-209,817,803.34-89,319,436.80

Finding the Fourth Proportional to 152,040,695.04, 209,817,803.34 and 89,319,436.80

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Solution

The fourth proportional to 152,040,695.04, 209,817,803.34 and 89,319,436.80 is: 123,261,788.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,040,695.04 : 209,817,803.34 = 89,319,436.80 : x
  2. Step 2: Convert to fraction form
    152,040,695.04/209,817,803.34 = 89,319,436.80/x
  3. Step 3: Cross multiply
    152,040,695.04x = 209,817,803.34 × 89,319,436.80
  4. Step 4: Simplify right side
    152,040,695.04x = 18,740,808,024,941,960
  5. Step 5: Solve for x
    x = 18,740,808,024,941,960/152,040,695.04
  6. Step 6: Final answer
    x = 123,261,788.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.